Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Aromanian
chitros
←
Latin
petrōsus
(inherited)
←
Romanian
pietros
(cognate)
←
Aromanian
cheatrã
(suffix)
←
Aromanian
os
(suffix)